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Linux 2.6.30 Kernel Benchmarks

"While this new kernel may offer support for new
file-systems (NILFS2, in particular), support for LZMA/BZIP2 kernel
image compression, a new CPU architecture (Microblaze) and many
other changes, are there any major performance regressions or
improvements like we have spotted with our previous Linux kernel
benchmarks?

"The tests today are not nearly as extensive as some of our
other kernel benchmarking, like when we benchmarked the Linux
2.6.24 through the 2.6.29 kernels, but is designed to give a quick
overview of some of the performance differences in the latest Linux
2.6.30 kernel compared to the 2.6.28 and 2.6.29 releases. For our
testing we used Linux 2.6.30-rc7 as we await the final release of
this quarterly Linux update. It is expected there will be a Linux
2.6.30-rc8 kernel release next week followed by the final release
at some point in early June. With the Linux 2.6.28, 2.6.29, and
2.6.30-rc7 kernels we obtained the x86_64 vanilla kernels from the
Ubuntu mainline kernel PPA."